用于生成RSSFeed的PHP库

分享一个用于生成RSSFeed的PHP库：

class RSSFeed {

// VARIABLES

// channel vars

var $channel_url;

var $channel_title;

var $channel_description;

var $channel_lang;

var $channel_copyright;

var $channel_date;

var $channel_creator;

var $channel_subject;

// image

var $image_url;

// items

var $items = array();

var $nritems;

// FUNCTIONS

// constructor

function RSSFeed() {

$this->nritems=0;

$this->channel_url=”;

$this->channel_title=”;

$this->channel_description=”;

$this->channel_lang=”;

$this->channel_copyright=”;

$this->channel_date=”;

$this->channel_creator=”;

$this->channel_subject=”;

$this->image_url=”;

}

// set channel vars

function SetChannel($url, $title, $description, $lang, $copyright, $creator, $subject) {

$this->channel_url=$url;

$this->channel_title=$title;

$this->channel_description=$description;

$this->channel_lang=$lang;

$this->channel_copyright=$copyright;

$this->channel_date=date(“Y-m-d”).’T’.date(“H:i:s”).’+01:00′;

$this->channel_creator=$creator;

$this->channel_subject=$subject;

}

// set image

function SetImage($url) {

$this->image_url=$url;

}

// set item

function SetItem($url, $title, $description) {

$this->items[$this->nritems]['url']=$url;

$this->items[$this->nritems]['title']=$title;

$this->items[$this->nritems]['description']=$description;

$this->nritems++;

}

// output feed

function Output() {

$output =  ’<?xml version=”1.0″ encoding=”iso-8859-1″?>’.”\n”;

$output .= ‘<rdf:RDF xmlns:rdf=”http://www.w3.org/1999/02/22-rdf-syntax-ns#” xmlns=”http://purl.org/rss/1.0/” xmlns:slash=”http://purl.org/rss/1.0/modules/slash/” xmlns:taxo=”http://purl.org/rss/1.0/modules/taxonomy/” xmlns:dc=”http://purl.org/dc/elements/1.1/” xmlns:syn=”http://purl.org/rss/1.0/modules/syndication/” xmlns:admin=”http://webns.net/mvcb/” xmlns:feedburner=”http://rssnamespace.org/feedburner/ext/1.0″>’.”\n”;

$output .= ‘<channel rdf:about=”‘.$this->channel_url.’”>’.”\n”;

$output .= ‘<title>’.$this->channel_title.’</title>’.”\n”;

$output .= ‘<link>’.$this->channel_url.’</link>’.”\n”;

$output .= ‘<description>’.$this->channel_description.’</description>’.”\n”;

$output .= ‘<dc:language>’.$this->channel_lang.’</dc:language>’.”\n”;

$output .= ‘<dc:rights>’.$this->channel_copyright.’</dc:rights>’.”\n”;

$output .= ‘<dc:date>’.$this->channel_date.’</dc:date>’.”\n”;

$output .= ‘<dc:creator>’.$this->channel_creator.’</dc:creator>’.”\n”;

$output .= ‘<dc:subject>’.$this->channel_subject.’</dc:subject>’.”\n”;

$output .= ‘<items>’.”\n”;

$output .= ‘<rdf:Seq>’;

for($k=0; $k<$this->nritems; $k++) {

$output .= ‘<rdf:li rdf:resource=”‘.$this->items[$k]['url'].’”/>’.”\n”;

};

$output .= ‘</rdf:Seq>’.”\n”;

$output .= ‘</items>’.”\n”;

$output .= ‘<image rdf:resource=”‘.$this->image_url.’”/>’.”\n”;

$output .= ‘</channel>’.”\n”;

for($k=0; $k<$this->nritems; $k++) {

$output .= ‘<item rdf:about=”‘.$this->items[$k]['url'].’”>’.”\n”;

$output .= ‘<title>’.$this->items[$k]['title'].’</title>’.”\n”;

$output .= ‘<link>’.$this->items[$k]['url'].’</link>’.”\n”;

$output .= ‘<description>’.$this->items[$k]['description'].’</description>’.”\n”;

$output .= ‘<feedburner:origLink>’.$this->items[$k]['url'].’</feedburner:origLink>’.”\n”;

$output .= ‘</item>’.”\n”;

};

$output .= ‘</rdf:RDF>’.”\n”;

return $output;

}

};

这是一个简单示例：

$myfeed = new RSSFeed();

$myfeed->SetChannel(‘http://www.mysite.com/xml.rss’,

‘My feed name’,

‘My feed description’,

‘en-us’,

‘My copyright text’,

‘me’,

‘my subject’);

$myfeed->SetImage(‘http://www.mysite.com/mylogo.jpg’);

$myfeed->SetItem(‘http://www.mysite.com/article.php?id=bla’,

‘name’,

‘description’);

….

echo $myfeed->output();

RSSFeed

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